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参数资料
| 型号： | 48e30 |
| 厂商： | Holtek Semiconductor Inc. |
| 英文描述： | 8-Bit I/O Type MCU (With EEPROM) |
| 中文描述： | 8位I / O型微控制器（带EEPROM） |
| 文件页数： | 17/44页 |
| 文件大小： | 351K |
| 代理商： | 48E30 |
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Mnemonic
Description
Instruction
Cycle
Flag
Affected
Branch
JMP addr
SZ [m]
SZA [m]
SZ [m].i
SNZ [m].i
SIZ [m]
SDZ [m]
SIZA [m]
SDZA [m]
CALL addr
RET
RET A,x
RETI
Jump unconditionally
Skip if data memory is zero
Skip if data memory is zero with data movement to ACC
Skip if bit i of data memory is zero
Skip if bit i of data memory is not zero
Skip if increment data memory is zero
Skip if decrement data memory is zero
Skip if increment data memory is zero with result in ACC
Skip if decrement data memory is zero with result in ACC
Subroutine call
Return from subroutine
Return from subroutine and load immediate data to ACC
Return from interrupt
2
1
(2)
1
(2)
1
(2)
1
(2)
1
(3)
1
(3)
1
(2)
1
(2)
2
None
Table Read
TABRDC [m]
TABRDL [m]
Read ROM code (current page) to data memory and TBLH
Read ROM code (last page) to data memory and TBLH
2
(1)
2
(1)
None
Miscellaneous
NOP
CLR [m]
SET [m]
CLR WDT
CLR WDT1
CLR WDT2
SWAP [m]
SWAPA [m]
HALT
No operation
Clear data memory
Set data memory
Clear Watchdog Timer
Pre-clear Watchdog Timer
Swap nibbles of data memory
Swap nibbles of data memory with result in ACC
Enter power down mode
1
(1)
1
(1)
1
(1)
1
None
TO,PDF
TO
(4),PDF(4)
TO
(4),PDF(4)
None
TO,PDF
Note:
x: Immediate data
m: Data memory address
A: Accumulator
i: 0~7 number of bits
addr: Program memory address
: Flag is affected
-: Flag is not affected
(1): If a loading to the PCL register occurs, the execution cycle of instructions will be delayed for one more cycle
(four system clocks).
(2): If a skipping to the next instruction occurs, the execution cycle of instructions will be delayed for one more
cycle (four system clocks). Otherwise the original instruction cycle is unchanged.
(3): (1) and (2)
(4): The flags may be affected by the execution status. If the Watchdog Timer is cleared by executing the
CLR WDT1 or CLR WDT2 instruction, the TO and PDF are cleared.
Otherwise the TO and PDF flags remain unchanged.
HT48E30
Rev. 0.00
24
January 12, 2004
Preliminary
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